CVE-2026-16187: IBM WebSphere Application Server

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

IBM WebSphere Application Server 9.0, and 8.5 could allow a remote attacker to bypass authentication and obtain sensitive information by sending a crafted unauthenticated request.

Affected products

• IBM WebSphere Application Server: version 9.0 only; version 8.5 only

Published 2026-09-14. Last modified 2026-09-16.